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@article{DAN_1981_260_6_a5, author = {M. A. Chahkiev}, title = {Exponential polynomials deviating least from zero and optimal quadrature formulas}, journal = {Doklady Akademii Nauk}, pages = {1309--1312}, publisher = {mathdoc}, volume = {260}, number = {6}, year = {1981}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1981_260_6_a5/} }
M. A. Chahkiev. Exponential polynomials deviating least from zero and optimal quadrature formulas. Doklady Akademii Nauk, Tome 260 (1981) no. 6, pp. 1309-1312. http://geodesic.mathdoc.fr/item/DAN_1981_260_6_a5/